摩根大通对瑞声科技的多头持仓比例增至7.28%

Group 1 - The core point of the article is that JPMorgan has increased its long position in AAC Technologies Holdings Inc. from 7.21% to 7.28% as of January 21, 2026 [1] Group 2 - The increase in JPMorgan's holdings indicates a growing confidence in AAC Technologies' performance and potential [1] - The change in ownership percentage reflects a strategic investment decision by JPMorgan in the technology sector [1]